X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fed1rmmtao102.cox.net ([68.230.241.44] verified) by logan.com (CommuniGate Pro SMTP 5.2.0) with ESMTP id 2735988 for flyrotary@lancaironline.net; Mon, 18 Feb 2008 22:47:12 -0500 Received-SPF: none receiver=logan.com; client-ip=68.230.241.44; envelope-from=alventures@cox.net Received: from fed1rmimpo03.cox.net ([70.169.32.75]) by fed1rmmtao102.cox.net (InterMail vM.7.08.02.01 201-2186-121-102-20070209) with ESMTP id <20080219034632.FTOI20092.fed1rmmtao102.cox.net@fed1rmimpo03.cox.net> for ; Mon, 18 Feb 2008 22:46:32 -0500 Received: from BigAl ([72.192.137.74]) by fed1rmimpo03.cox.net with bizsmtp id rFmH1Y00F1cVYgg0000000; Mon, 18 Feb 2008 22:46:17 -0500 From: "Al Gietzen" To: "'Rotary motors in aircraft'" Subject: Worried about problems Date: Mon, 18 Feb 2008 19:48:11 -0800 Message-ID: <000001c872aa$3f916880$6401a8c0@BigAl> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0001_01C87267.316E2880" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3198 This is a multi-part message in MIME format. ------=_NextPart_000_0001_01C87267.316E2880 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Greg wrote: =20 =20 Y'know, not meaning to offend anyone, but I am trying to mate a 400 hp = 20B=20 to a 250 knot+ Lancair, and after hearing how successful some of these=20 installations have been, I am getting a little nervous. Are these=20 firing/grounding/running problems common? What am I missing here? How=20 about some straight answers from some people in the know? My life = depends=20 on this stuff. Although my budget isn't unlimited, I am willing to = spend=20 what is necessary to guarantee that at least I can get on the ground if=20 something goes wrong, but what do I buy???? I could sure use some = input=20 from Tracy, and guys like Tom Parkes, etc. (who won't return a query), = about what they are experiencing with this genesis of rotary installations. I = just want to get to 18,000 feet, cut back to 70%, and relax. =20 =20 Don't forget we're talking "experimental" here, and with an alternative engine that part is likely more experimental than the airframe kit. = There are lots of opportunities to do something wrong. Would you relax behind = a turbocharged Continental 550? Things can go wrong there as well. =20 I now have 80 hours on my Velocity 20B installation, and happy with it. = I was one of the first to use Tracy's EC2 for the 3-rotor, and there was de-bugging to do. I had electrical noise issues with both the EM2 and = the EC2, the EM2 issues were fairly simple, and Tracy came up with the = solution. The EC2 never failed me, but I had on-going problems with corruption of settings. That was noise related, and fortunately with help from my electronics whiz son we eventually resolved the problem, and found a = couple of bugs that Tracy hadn't come to yet - things which he has fixed in the design. =20 Electrical noise issues are very installation dependant, and are likely worse in a composite airframe; especially one with the panel in front = and the engine in the rear requiring long wire runs. The issue I had seemed unique to my installation and my circuit design. Overall, the EC2 = features are well suited to aircraft operation, and the unit is a major bargain. = =20 Each installation has differences, and going alternative engine means = having the tenacity to resolve each of the teething problems as they come = along. =20 FWIW. =20 Al ------=_NextPart_000_0001_01C87267.316E2880 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Greg wrote:

 

 

Y'know, not meaning to offend anyone, but I am trying to mate a 400 hp 20B =

to a 250 knot+ Lancair, and after hearing how successful some of these =

installations have been, I am getting a little nervous.  Are these =

firing/grounding/running problems common?  What am I missing here?  How =

about some straight answers from some people in the know?  My life = depends

on this stuff.  Although my budget isn't unlimited, I am willing to = spend

what is necessary to guarantee that at least I can get on the ground if =

something goes wrong, but what do I buy????   I could sure use some = input

from Tracy, and guys like Tom Parkes, etc. (who won't return a query), about =

what they are experiencing with this genesis of rotary installations.  I =

just want to get to 18,000 feet, cut back to 70%, and relax.  =

 

Don’t = forget we’re talking “experimental” here, and with an alternative engine = that part is likely more experimental than the airframe kit.  There are = lots of opportunities to do something wrong.  Would you relax behind a turbocharged Continental 550?  Things can go wrong there as = well.

 <= /font>

I now have 80 = hours on my Velocity 20B installation, and happy = with it.  I was one of the first to use Tracy’s = EC2 for the 3-rotor, and there was de-bugging to do.  I had electrical noise = issues with both the EM2 and the EC2, the EM2 issues were fairly simple, and = Tracy came up with the solution.  The EC2 never failed me, but I had on-going = problems with corruption of settings.  That was noise related, and = fortunately with help from my electronics whiz son we eventually resolved the problem, = and found a couple of bugs that Tracy = hadn’t come to yet – things which he has fixed in the = design.

 <= /font>

Electrical = noise issues are very installation dependant, and are likely worse in a = composite airframe; especially one with the panel in front and the engine in the = rear requiring long wire runs.  The issue I had seemed unique to my installation and my circuit design. Overall, the EC2 features are well = suited to aircraft operation, and the unit is a major bargain. =  

 <= /font>

Each = installation has differences, and going alternative engine means having the tenacity to resolve each = of the teething problems as they come along.

 <= /font>

FWIW.

 <= /font>

Al

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